Exercise Technique Article Series, 6

The stability ball is one of the most versatile and cost effective pieces of exercise equipment. You can take it with you and do exercises at home, work or on vacation. Doing your ab crunches on the stability ball is superior to the traditional floor crunches.

According to researchers in the Department of Kinesiology at Occidental College in Los Angeles, crunches performed by 41 test subjects on the stability ball showed significantly greater abdominal muscle activation than the traditional floor crunches.

I recommend doing the ab ball curl up instead of crunches to avoid low back injuries.

The results found heightened activity in the upper rectus abdominis, lower rectus abdominis and external oblique activity by 31%, 38% and 24%, respectively, when compared with the traditional floor crunch. The rectus abdominis muscles are affectionately called the "six-pack" of the abdominal region.

There is also another great reason to do your ab curl ups on the stability ball: you achieve a greater range of motion during the exercise because you are able to go back further and extend your trunk along the contours of the ball.
When you first try ball curl ups, it will feel very unstable to you. Don't let that stop you---you will adjust to this exercise!

In part 7 of this series, I will a different kind of cardio exercise.

Be sure and download your Free Bodyweight 500 Metabolic Fat Burner Workouts and start shaping your body faster!

Mark Dilworth, BA, PES
Your Fitness University
My Fitness Hut
Her Fitness Hut
Sports Fitness Hut


  1. mate first time visiting your site and i love it. I myself am a personal trainer based in Sydney Australia and just started my own site for ­ personal trainer to advertise themselves with full profiles (pics, vids, specialties etc). We are only based in Oz at moment but you should check it out. anyways keep up the good work mate and I'll be checking back and seeing your updates



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About Mark


Mark Dilworth is a Lifestyle and Weight Management Specialist and since 2006 he has owned Your Fitness University, Her Fitness Hut, My Fitness Hut, Sports Fitness Hut.

Mark has helped thousands of clients and readers make lifestyle changes that lead to better long-term health, which includes acceptable body fat and ideal body weight.He does not recommend fad diets, quick weight loss gimmicks, starvation diets, weight loss pills, fat burner supplements and the like.

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